DR. ERIK MICHAEL ALLISON D.O.
NPI 1821309113
Emergency Medicine in Olympia Fields, IL
About Dr. Erik Michael Allison D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIK MICHAEL ALLISON D.O. (NPI 1821309113) is an individual emergency medicine provider in Olympia Fields, Illinois, licensed in Illinois (036.125422) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Mary Rutan Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2007).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Erik Michael Allison D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Erik Allison reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 474 clinicians in this Medicare group
Seaman, OH 45679
- Reassigned Medicare billing, Ohio enrollment
- 894 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 263 clinicians in this Medicare group
Sierra Vista, AZ 85635
- Reassigned Medicare billing, Arizona enrollment
- 239 clinicians in this Medicare group
- Reassigned Medicare billing, Ohio enrollment
- 179 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Rutan Hospital
Acute Care Hospitals · Bellefontaine, OHSaint Francis Hospital South, LLC
Acute Care Hospitals · Tulsa, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Erik Allison's NPI number?
The NPI number for Erik Allison is 1821309113. It was assigned to this individual provider in the NPPES registry on July 1, 2010.
Where is Erik Allison located?
Erik Allison practices at 20201 Crawford Ave, Olympia Fields, IL 60461. The listed phone number is (708) 747-4000.
What is Erik Allison's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Erik Allison enrolled in Medicare?
Yes. Erik Allison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Erik Allison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erik Allison reassigns Medicare benefits to 5 organizations: Ohio Emergency Professionals Inc (Columbus, OH), Emergency Professional Services, Inc. (Seaman, OH), Ies ER Oklahoma LLC (Tulsa, OK), Sound Physicians Emergency Medicine Of Arizona, Inc. (Sierra Vista, AZ) and Ohio Emergency Care Services Inc (OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Erik Allison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Erik Allison affiliated with any hospitals?
According to CMS data, Erik Allison is affiliated with Mary Rutan Hospital and Saint Francis Hospital South, LLC.
When was this NPI record last updated?
The NPPES record for Erik Allison was last updated on August 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Erik Michael Allison, D.O. · NPI 1821309113
Emergency Medicine physician in Olympia Fields, Illinois. Individual provider, active in the CMS NPPES registry since July 1, 2010.
## Identity
- **NPI:** 1821309113 (Entity type: Individual)
- **Enumerated:** July 1, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036.125422 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 20201 CRAWFORD AVE, Olympia Fields, IL 60461-1010
- **Phone:** (708) 747-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Ohio Emergency Professionals Inc (NPI 1982983425, Columbus, OH); Emergency Professional Services, Inc. (NPI 1093762353, Seaman, OH); Ies ER Oklahoma LLC (NPI 1447148093, Tulsa, OK); Sound Physicians Emergency Medicine Of Arizona, Inc. (NPI 1700328663, Sierra Vista, AZ); Ohio Emergency Care Services Inc (OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2007
## Record status
- **NPPES last updated:** August 28, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1821309113) · Data from the CMS NPPES public registry.